import { useMemberStore } from '@/stores/modules/member'

// 请求基地址
const baseURL = 'https://pcapi-xiaotuxian-front-devtest.itheima.net'

// 拦截器配置
const httpInterceptor = {
  // 拦截前触发
  invoke(options: UniApp.RequestOptions) {
    // 1. 非 http 开头需拼接地址
    if (!options.url.startsWith('http')) {
      options.url = baseURL + options.url
    }
    // 2. 请求超时
    options.timeout = 10000
    // 3. 添加小程序端请求头标识
    options.header = {
      'source-client': 'miniapp',
      ...options.header,
    }
    // 4. 添加 token 请求头标识
    const memberStore = useMemberStore()
    const token = memberStore.profile?.token
    if (token) {
      options.header.Authorization = token
    }
  },
}

// 拦截 request 请求
uni.addInterceptor('request', httpInterceptor)
// 拦截 uploadFile 文件上传
uni.addInterceptor('uploadFile', httpInterceptor)

interface Data<T> {
  code: string
  msg: string
  result: T
}

/**
 * 请求函数
 * @param UniApp.RequestOptions
 * @returns Promise
 */
export const http = <T>(options: UniApp.RequestOptions) => {
  return new Promise<Data<T>>((resolve, reject) => {
    uni.request({
      ...options,
      success(res) {
        switch (true) {
          case res.statusCode >= 200 && res.statusCode < 300:
            resolve(res.data as Data<T>)
            break
          case res.statusCode === 401:
            useMemberStore().clearProfile()
            uni.navigateTo({ url: '/pages/login/login' })
            reject(res)
            break
          default:
            uni.showToast({
              title: (res.data as Data<T>).msg || '未知错误',
              duration: 2000,
              icon: 'error',
            })
            reject(res)
        }
      },
      fail(error) {
        uni.showToast({
          title: '网络错误',
          duration: 2000,
          icon: 'error',
        })
        reject(error)
      },
    })
  })
}
